* {
  margin: 0;
  padding: 0;
}
html,
body {
  width: 100%;
  position: relative;
}
nav a {
  text-decoration: none;
  color: gray;
}
nav {
  width: 100%;
  height: 80px;
  background-color: white;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 999;
}
nav img {
  float: left;
  margin: 30px 0 0 100px;
}
nav ul {
  width: 500px;
  display: flex;
  list-style: none;
  float: right;
  justify-content: space-around;
  line-height: 80px;
  margin-right: 100px;
}
nav li {
  font-size: 20px;
  color: grey;
}

menu {
  width: 400px;
  height: 600px;
  margin-top: 200px;
  float: left;
}
menu p {
  width: 400px;
  height: 100px;
  line-height: 100px;
  border: 0.5px solid #cecece;
  margin-left: 100px;
  font-size: 18px;
  font-weight: bolder;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
menu img{
    width: 20px;
    height: 20px;
}

main{
    width: 600px;
    height: 500px;
    float: right;
    margin-right: 200px;
    margin-top: 100px;
}
main h1{
    text-align: center;
}
main p{
    margin-top: 60px;
    font-size: 20px;
    line-height: 30px;
}

main div{
    width: 600px;
    height: 200px;
    display: flex;
    text-align: center;
    font-size: 24px;
    justify-content: space-between;
    align-items: center;
}
main span{
    width: 150px;
    height: 50px;
    display: block;
    border: 1px solid black;
}

footer {
  width: 1200px;
  height: 300px;
  margin: auto;
  margin-top: 50px;
  font-weight: bolder;
  position: relative;
}
footer .left {
  width: 400px;
  height: 300px;
  float: left;
  display: flex;
  flex-direction: column;
  line-height: 40px;
}
footer .right {
  float: left;
  display: flex;
  flex-direction: column;
  width: 400px;
  height: 300px;
  line-height: 40px;
}
footer p {
  font-size: 20px;
}
footer a {
  font-size: 18px;
  color: black;
  text-decoration: none;
}
footer a:hover {
  color: rgb(86, 208, 133);
}
footer span {
  color: #cecece;
  position: absolute;
  left: 0;
  bottom: 50px;
}

input {
  width: 50px;
  height: 50px;
  text-align: center;
  line-height: 50px;
  position: fixed;
  right: 30px;
  bottom: 50px;
  display: none;
  cursor: pointer;
  font-size: 20px;
  border: none;
  border-radius: 5px;
  font-weight: bolder;
}
input:hover{
  background-color:rgb(86, 208, 133) ;
  color: white;
}

.one{
  width: 400px;
  height: 300px;
  position: absolute;
  left: 500px;
  top: 280px;
  display: none;
}
.one ul{
  width: 400px;
  height: 300px;
  background-color: white;
  list-style: none;
  border: .5px solid #cecece;
  
}
.one li{
  /* width: 400px;
  height: 80px; */
  line-height: 50px;
}
li a{
  text-decoration: none;
  color: black;
  font-size: 20px;
  margin-left: 20px;
}

.two{
  width: 400px;
  height: 300px;
  position: absolute;
  left: 500px;
  top: 381px;
  display: none;
}
.two ul{
  width: 400px;
  height: 300px;
  background-color: white;
  list-style: none;
  border: .5px solid #cecece;
  
}
.two li{
  /* width: 400px;
  height: 80px; */
  line-height: 50px;
}

.three{
  width: 400px;
  height: 300px;
  position: absolute;
  left: 500px;
  top: 482px;
  display: none;
}
.three ul{
  width: 400px;
  height: 300px;
  background-color: white;
  list-style: none;
  border: .5px solid #cecece;
  
}
.three li{
  /* width: 400px;
  height: 80px; */
  line-height: 50px;
}

.four{
  width: 400px;
  height: 300px;
  position: absolute;
  left: 500px;
  top: 583px;
  display: none;
}
.four ul{
  width: 400px;
  height: 300px;
  background-color: white;
  list-style: none;
  border: .5px solid #cecece;
  
}
.four li{
  /* width: 400px;
  height: 80px; */
  line-height: 50px;
}

.five{
  width: 400px;
  height: 300px;
  position: absolute;
  left: 500px;
  top: 684px;
  display: none;
}
.five ul{
  width: 400px;
  height: 300px;
  background-color: white;
  list-style: none;
  border: .5px solid #cecece;
  
}
.five li{
  /* width: 400px;
  height: 80px; */
  line-height: 50px;
}

.six{
  width: 400px;
  height: 300px;
  position: absolute;
  left: 500px;
  top: 785px;
  display: none;
}
.six ul{
  width: 400px;
  height: 300px;
  background-color: white;
  list-style: none;
  border: .5px solid #cecece;
  
}
.six li{
  /* width: 400px;
  height: 80px; */
  line-height: 50px;
}